Gum 85 & 84 and Sharpless 54

The bright "egg" in this image is nebula Gum 85 in Serpens; surrounding it is Gum 84 and surrounding that is Sharpless 54.Sharpless 54 is a larger object as described in the catalog as a 140 arc minutes which extends well beyond this field.This area of sky is located just north of M16, the Eagle Nebula.

Instruments and exposure data:

W.O FLT110 with dedicated TMB field flattener
FeatherTouch 3'' focuser
Starizona MicroTouch autofocuser
SBIG ST10XME CFW9 W.O ZS80 ED
Meade DSI
Filters: 5nm Hα Astrodon
Sky-Watcher EQ6 Pro

Lum:35*10min bin1x1
Total exposure time:5h 50min

M20 Trifid Nebula in narrowband

The Trifid Nebula (catalogued as Messier 20 or M20 and as NGC 6514) is an H II region located in Sagittarius. It was discovered by Charles Messier on June 5, 1764.[3] Its name means 'divided into three lobes'. The object is an unusual combination of an open cluster of stars; an emission nebula (the lower, red portion), a reflection nebula (the upper, blue portion) and a dark nebula (the apparent 'gaps' within the emission nebula that cause the trifurcated appearance; these are also designated Barnard 85). Viewed through a small telescope, the Trifid Nebula is a bright and peculiar object, and is thus a perennial favorite of amateur astronomers.

From Wikipedia, the free encyclopedia

Photographic shots were completed in the period from 14 June  to 6 August and needed a total of 7 nights.

Unfortunately, in all the shots I had problem with passing clouds and high humidity .

Instruments and exposure data:

W.O FLT110 with dedicated TMB field flattener

FeatherTouch 3'' focuser

Starizona MicroTouch autofocuser

W.O ZS80 ED

SBIG ST10XME CFW9

Meade DSI

Filters: Ha 5nm Astrodon_S[II] 8nm Baader_O[III] 3nm Astrodon

Sky-Watcher EQ6 Pro

Ha:40*9min bin1x1

S[II]:23*9min bin1x1

O[III]:21*9min bin1x1

Total exposure time:12h 36min

Vironas,Athens Greece

SH2-115 and Berkeley 90 _ Re

Completely new processed.

Sh2-115 proved much more difficult target than i originally thought.
For collecting the photons i wanted , i had to face extremely bad atmospheric conditions, such as high humidity and temperature, in all 5 nights that needed for completion the whole project.
It is a beautiful object but very faint particulary in OIII and SII with complex structures.

Hope you like it ...!

Sharpless 115 stands just north and west of Deneb. Noted in the 1959 catalog by astronomer Stewart Sharpless (as Sh2-115) the faint but lovely emission nebula lies along the edge of one of the outer Milky Way's giant molecular clouds, about 7,500 light-years away. Shining with the light of ionized atoms of hydrogen, sulfur, and oxygen in this Hubble palette color composite image, the nebular glow is powered by hot stars in star cluster Berkeley 90. The cluster stars are likely only 100 million years old or so and are still embedded in Sharpless 115. But the stars' strong winds and radiation have cleared away much of their dusty, natal cloud. At the emission nebula's estimated distance, this cosmic close-up spans just under 100 light-years.
http://apod.nasa.gov/apod/ap130614.html

Instruments and exposure data:
W.O FLT110 with dedicated TMB field flattener
FeatherTouch 3'' focuser
Starizona MicroTouch autofocuser
W.O ZS80 ED
SBIG ST10XME CFW9
Meade DSI
Filters: Ha 5nm Astrodon_S[II] 8nm Baader_O[III] 3nm Astrodon
Sky-Watcher EQ6 Pro

Ha:60*10min bin1x1
S[II]:19*15min bin1x1
O[III]:23*15min bin1x1_35*10min_bin1x1
Total exposure time:26h 20min

Sh2-124 modified HST palette

The SH2-124 is an emission nebula located in the constellation of Cygnus. It is very faint target and rarely imaged.

Instruments and exposure data:

W.O FLT110 with dedicated TMB field flattenerFeatherTouch 3'' focuser
Starizona MicroTouch autofocuser
W.O ZS80 ED
SBIG ST10XME CFW9
Meade DSI
Filters: Ha 5nm Astrodon_S[II] 8nm Baader_O[III] 3nm Astrodon
Sky-Watcher EQ6 Pro

Ha:50*10min bin1x1
S[II]:34*15min bin1x1
O[III]:39*15min bin1x1

Total exposure time:26h35min                                                                                                                               

SH 2-115 and Berkeley 90

Sharpless 115 stands just north and west of Deneb. Noted in the 1959 catalog by astronomer Stewart Sharpless (as Sh2-115) the faint but lovely emission nebula lies along the edge of one of the outer Milky Way's giant molecular clouds, about 7,500 light-years away. Shining with the light of ionized atoms of hydrogen, sulfur, and oxygen in this Hubble palette color composite image, the nebular glow is powered by hot stars in star cluster Berkeley 90. The cluster stars are likely only 100 million years old or so and are still embedded in Sharpless 115. But the stars' strong winds and radiation have cleared away much of their dusty, natal cloud. At the emission nebula's estimated distance, this cosmic close-up spans just under 100 light-years.

http://apod.nasa.gov/apod/ap130614.html

Sh2-115 proved much more difficult target than i originally thought.
For collecting the photons i wanted , i had to face extremely bad atmospheric conditions, such as high humidity and temperature, in all 5 nights that needed for completion the whole project.
It is a beautiful object but very faint particulary in OIII and SII with complex structures.

Hope you like it ...!

Instruments and exposure data:

W.O FLT110 with dedicated TMB field flattener

FeatherTouch 3'' focuser
Starizona MicroTouch autofocuser
W.O ZS80 ED
SBIG ST10XME CFW9
Meade DSI
Filters: Ha 5nm Astrodon_S[II] 8nm Baader_O[III] 3nm Astrodon
Sky-Watcher EQ6 Pro

Ha:60*10min bin1x1
S[II]:19*15min bin1x1
O[III]:23*15min bin1x1_35*10min_bin1x1
Total exposure time:26h20min

Astrobin Image of the Day 31 Aug 2014

Leo Triplet_reprocessed

The Leo Triplet (also known as the M66 Group) is a small group of galaxies about 35 million light-years away in the constellation Leo. This galaxy group consists of the spiral galaxies M65, the M66, and the NGC 3628

Instruments and exposure data

W.O FLT110 with dedicated TMB field flattener
FeatherTouch 3'' focuser
Starizona MicroTouch autofocuser
W.O ZS80 ED
SBIG ST10XME CFW9
Meade DSI
Filters: LRGB Baader Planetarium, IDAS LPS
Sky-Watcher EQ6 Pro

Lum(LPS):30*10min(bin1x1)_51*10min(bin1x1)
Red:36*5(18bin1x1_18bin2x2)
Green:36*5(18bin1x1_18bin2x2)
Blue:44*5(24bin1x1_20bin2x2)
Total exposure time:23h10min

Astrobin Image of the Day 31 Mar 2014

Elephant's Trunk nebula IC1396 _ rework

Instruments and exposure data:

W.O FLT110 with dedicated TMB field flattener
FeatherTouch 3'' focuser
Starizona MicroTouch autofocuser
W.O ZS80 ED
SBIG ST10XME CFW9
Meade DSI

Sky-Watcher EQ6 Pro

Tricolor Emmision Line image
S[II] 8nm(Red)_Ha 5nm(Green)_O[III] 3nm(Blue)
Modified Hubble Palette

S[II] 25*15min_Ha 29*15min_O[III] 18*15min
total exposure time : 1080min (18h)

The Elephant's Trunk nebula is a concentration of interstellar gas and dust in the star cluster IC 1396 – an ionized gas region located in the constellation Cepheus about 2,400 light years away from Earth.[1] The piece of the nebula shown here is the dark, dense globule IC 1396A; it is commonly called the Elephant's Trunk nebula because of its appearance at visible light wavelengths, where there is a dark patch with a bright, sinuous rim. The bright rim is the surface of the dense cloud that is being illuminated and ionized by a very bright, massive star that is just to the west of IC 1396A.The entire IC 1396 region is ionized by the massive star, except for dense globules that can protect themselves from the star's harsh ultraviolet rays.

The Elephant's Trunk nebula is now thought to be a site of star formation, containing several very young (less than 100,000 yr) stars that were discovered in infrared images in 2003. Two older (but still young, a couple of million years, by the standards of stars, which live for billions of years) stars are present in a small, circular cavity in the head of the globule. Winds from these young stars may have emptied the cavity.

The combined action of the light from the massive star ionizing and compressing the rim of the cloud, and the wind from the young stars shifting gas from the center outward lead to very high compression in the Elephant's Trunk nebula. This pressure has triggered the current generation of protostars.[2]

Melotte 15 in IC1805

Tricolor Emmision Line image
S[II] 8nm(Red)_Ha 5nm(Green)_O[III] 3nm(Blue)
Modified Hubble Palette

Instruments and exposure data:

S[II] 22*15min_Ha 39*10min_O[III] 26*15min
total exposure time : 1110min (18h 30min)

W.O FLT110 with dedicated TMB field flattener

FeatherTouch 3'' focuser
Starizona MicroTouch autofocuser
W.O ZS80 ED
SBIG ST10XME CFW9
Meade DSI
Sky-Watcher EQ6 Pro

Filters:
Ha 5nm Astrodon

S[II] 8nm Baader

O[III] 3nm Astrodon

Kallithea Athens Hellas

Anacortes Image of the Day 22/11/2011

The ''heart'' of the Heart Nebula-Melotte 15 in IC 1805

The bright open star cluster, in this image is known as Melotte 15 after its discoverer, Philibert Jacques Melotte (1880-1961). Melotte 15 is embedded within and illuminates the central portion of the much larger glowing nebula identified as IC 1805.
The Melotte 15 star cluster is estimated to be 7,500 light years away from Earth.

Instruments and exposure data:

W.O FLT110 with dedicated TMB field flattener
FeatherTouch 3'' focuser
Starizona MicroTouch autofocuser
W.O ZS80 ED
SBIG ST10XME CFW9
Meade DSI
Filters:
Ha 5nm Astrodon
Sky-Watcher EQ6 Pro
Ha :39*10min bin1x1 (6.5hours)

Waxing Gibbous Moon 89% of full

Kallithea Athens Greece

Elephant's Trunk nebula IC1396

Tricolor Emmision Line image
S[II] 8nm(Red)_Ha 5nm(Green)_O[III] 3nm(Blue)
Modified Hubble Palette

S[II] 25*15min_Ha 29*15min_O[III] 18*15min
total exposure time : 1080min (18h)

Τελικά δεν άντεξα...και πήρα το 3nm O[III] .
Αν και βινιετάρει περισσότερο(μικρό το κακό) από αυτό της Baader , πέτυχα σημαντικά καλύτερο S/N!!!
Kallithea Athens Hellas

Anacortes Image of the Day 3/10/2011

Light Pollution in Athens Greece

Night-time light emissions over Greece on 19/09/2001

Modelling of light pollution in suburban areas using remotely sensed
imagery and GIS

C. Chalkiasa,*, M. Petrakisb, B. Psilogloub, M. Lianoub
Department of Geography, Harokopio University
Institute of Environmental Research and Sustainable Development, National Observatory of Athens, Greece