Thursday, April 2, 2009
Sh2-223, 224 and 225 lightened up
There was 15 x 1200s from 03.11.2008, I totally frogotten, that I had
shot them.
-
You can compare how additional Five hours of H-a hellped by looking two previous versions.
First, there is only Two hours of H-a:
Really bad looking and noisy,
Secondly there was 11 hours of H-a, looks much better:
-
This is a really dim Supernova Remnant pair, with fast, f1.8, optics
it has taken 16h of H-alpha light to get in this version.
-
Details; -Camera, QHY9 - Optics, Canon EF 200mm f1.8 @ 1.8 - Guiding, QHY5 and PHD-guiding - Platform, LX200 GPS 12" - Exposures, 7x1200s with 7nm H-alpha filter and 13x2400s, 5x300s O-III Binned 4x4 and 5x300s. S-IIBinned 4x4 .
Additional 15x1200s of H-a added, imaged with QHY8 and Tokina AT 300mm f2.8 @2.8
03.11.2008
Darks, Flats and Bias frames calibrated. Total exposure time for H-alpha line is 16h!
Tuesday, March 31, 2009
IC1396 as aStereo Pair
- 
The original image and data can be found here: http://astroanarchy.blogspot.com/2008/10/ic1396-in-narrowband-colors.html Butterfly Nebula as a Stereo Pair
Parallel Vision 
Cross Vision - - Original 2D-image with imaging information can be found here: http://astroanarchy.blogspot.com/2008/09/butterfly-nebula-in-narrowband-colors.html
Subscribe to:
Posts (Atom)
