Saturday, October 17, 2015
Elephant's Trunk Nebula in the IC 1396
New image of the IC 1396. I got this ready at October 7, just before I went to the Panhellenic Conference of Astronomy in Sparta, Greece.
Elephant's Trunk Nebula
Please, click for a large image
Image in mapped colors from the light emitted by ionized elements.
Red=Sulfur, Green=Hydrogen and Blue=Oxygen.
A closeup
Please, click for a large image
INFO
The elephant's Trunk nebula is a concentration of interstellar gas and dust in the star cluster IC 1396.
This ionized gas region locates in the constellation Cepheus about 2400 light years away.
This about twenty light years long formation is coursed by a stellar wind, radiation pressure, from a group of massive young stars.
An experimental starless image
Please, click for a large image
A pareidolia fun...
An older wide field photo of the IC 1396 emission nebula.
Please, click for a large image
Elephant's Trunk Nebula at six o'clock position in this image from Autumn 2011, more info can be found HERE
Technical details
Processing work flow
Image acquisition, MaxiDL v5.07.
Stacked and calibrated in CCDStack2.
Deconvolution with a CCDStack2 Positive Constraint, 21 iterations, added at 25% weight
Color combine in PS CS3
Levels and curves in PS CS3.
Imaging optics
Celestron Edge HD 1100 @ f7 with 0,7 focal reducer for Edge HD 1100 telescope
Mount
10-micron 1000
Cameras and filters
Imaging camera Apogee Alta U16 and Apogee seven slot filter wheel
Guider camera, Lodestar x2 and SXV-AOL
Astrodon filter, 5nm H-alpha
Astrodon filter, 3nm O-III
Astrodon filter, 3nm S-II
Exposure times
H-alpha, 12 x 1200s = 4h
O-III, 4 x 1200s binned = 1h 20min.
S-II, 3 x 1200s = 1h
Total 6h 20min.
Color channels, H-a, S-II and O-III
Friday, October 16, 2015
Panhellenic Conference of Astronomy, Sparta Greece, October 2015
I was invited as one of the speakers to the 9th Panhellenic Conference of Astronomy in Sparta Greece.
The Conference in Sparta was a great experience! This was the most active, high quality, warm hearted and one of the most well organized conference I have ever participated. I really enjoy to talk with the same minded people. I'm nov a Spartan for life! Thanks to Organizing committee of the 9th P.S.E.A.
Here is a list of the invited speakers
Dr.Ioannis - Hugh Seiradakis Professor of the Physics Department of AUTH
J-P Metsavainio Finnish astrophotographer
The Dr.Fiori Anastasia Metallinou is an associate of the Institute of Astronomy, Astrophysics, Space Applications and Remote Sensing of the National Observatory of Athens.
Dr.Kosmas gauze is Lecturer of the Department of Astrophysics, Astronomy and Mechanics, University of Athens
One of my talks in the conference about astrophotography
A group photo
Beside the conference we spent lots of time together.
Here are some photos of typical Greece activity to enjoy.
I can't speak highly enough about the food and hospitality in Greece!
First evening eating out in Sparta, weather and people are so warm!
Eating out
Eating out again, me at front left talking with the Dr.Ioannis - Hugh Seiradakis Professor of the Physics Department of AUTH
After the Sparta conference I went to the Athens
Beside normal touristic activities I had a wonderful dinner party with astrophotographers in Athens area.
At the last day I got the private VIP tour to the Historical National Observatory of Athens by the Ph.D of Astronomy, Fiori-Anastasia Metallinou
Some pictures from the visit
Ph.D of Astronomy, Fiori-Anastasia Metallinou
A beautiful model of the Antikythera mechanism
Multitalent person, Astronomy meets Art
The Dr.Fiori Anastasia Metallinou has also studied opera at the School of State Conservatory of Thessaloniki. She gave us a beautiful concert at the last day of the Sparta conference.
(The background photo show is from me.)
Sunday, October 4, 2015
Barnard 72, the Snake Nebula
A new image produced as a collaboration with me and Eric Recurt. The data is shot from his observatory at Tenerife. The Observatory locates at 2400 m altitude and at 28 degrees North. The site has excellent seeing conditions, 0.8 " on average and can be below 0.3 "
Barnard 72
You better click the image to see it in full glory! (2100 x 1600 pixels, 6,5MB)
The Snake Nebula, Barnard 72, lays at front of a very dense starfield of our Milky Way
A full resolution closeup, click for a large image
INFO
The Snake Nebula (also known as Barnard 72) is a dark nebula in the Ophiuchus constellation at a distance of about 650 light years. Barnard 72 lays at front of the Milky Way star clouds from the north-north-west edge of the bowl of the Pipe Nebula.
Technical details
Processing workflow
Deconvolution with a CCDStack2 Positive Constraint, 23 iterations, added at 33% weight
Color combine in PS CS3
Levels and curves in PS CS3.
Imaging optics
340mm F3.3 astrograph
Mount
ASA DDM 85
Cameras and filters
FLI PL 16803
Exposure times
Luminance, 40 min.
Red = 15 min.
Green = 15 min.
Blue = 15 min.
Total 1h 25min
Thursday, October 1, 2015
A new image, the Witch's Broom Nebula
This is my second photo for this season from my observatory. It's a detail of the veil nebula supernova remnant, as was my first light photo for this Autumn season, the Pickering's Triangle. This is a two frames mosaic image, exposed on several nights between September 10. - 27. 2015. Total exposure time is about 11h.
NGC 6960, the Witch's Broom Nebula
Click for a large image, 2200 x 1500 pixels and 2,3MB
S-II = Red, H-alpha = Green and O-III = Blue.
Close up images
Click for a large image
A starless image
Click for a large image
Visual colors
Click for a large image
This composition is very close to a visual spectrum.
Witch's broom in light of an ionized oxygen only
Click for a large image
A wide field photo of the Veil Nebula supernova remnant
The Witch's Broom Nebula can be see at three o'clock position.
My blog post about this older wide field shot can be seen HERE.
Technical details
Processing work flow
Image acquisition, MaxiDL v5.07.
Stacked and calibrated in CCDStack2.
Deconvolution with a CCDStack2 Positive Constraint, 21 iterations, added at 25% weight
Color combine in PS CS3
Levels and curves in PS CS3.
Imaging optics
Celestron Edge HD 1100 @ f7 with 0,7 focal reducer for Edge HD 1100 telescope
Mount
10-micron 1000
Cameras and filters
Imaging camera Apogee Alta U16 and Apogee seven slot filter wheel
Guider camera, Lodestar x2 and SXV-AOL
Astrodon filter, 5nm H-alpha
Astrodon filter, 3nm O-III
Astrodon filter, 3nm S-II
Exposure times
H-alpha, 15 x 1200s = 5h
O-III, 36 x 1200s binned = 5h (Autumn 2014)
S-II, from my older wide field photo of the Veil Nebula = 1h
Total 11h
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