|
|
|
Last updated on
10/26/2014
NGC 281

Ha 420 min
|
0bject |
NGC 281 Emission Nebula
in Cassiopeia (Pacman Nebula) |
| Date |
November 23-26, 2010 |
| Exposure |
RGB 100:100:100
(cropped) |
| Camera |
STL11000M with
Astronomik filters |
| Telescope |
ASA 10N f/3.75 on
AP900GTO w/CPO3 |
| Guiding |
Remote guide head w/
MiniBorg 50mm |
| Processing |
MaximDL, PhotoshopCS4,
AstroActions, GradientXterminator |
| Comments |
Cool and clear,
moderate seeing; object near zenith |

|
0bject |
NGC 281 Emission Nebula
in Cassiopeia (Pacman Nebula) |
| Date |
August 9, 11 & 13 2007 |
| Exposure |
SIIHαOIII 120:120:120 (unbinned;
Hubble palette) |
| Camera |
ST2000XM w/ Schuler
filters |
| Telescope |
Takahashi Sky90 @ f/4.2
on Losmandy G11 w/Gemini |
| Guiding |
Self-guided |
| Processing |
MaximDL, FITS
Liberator, Photoshop CS2 |
| Comments |
Very warm each night,
high humidity with steady seeing |

|
0bject |
NGC 281 Emission Nebula
in Cassiopeia (Pacman Nebula) |
| Date |
September 5, 6, & 9,
2006 |
| Exposure |
HαGB
330:30:30 |
| Camera |
ST2000XM w/ SBIG
filters & Schuler Hα |
| Telescope |
Takahashi Sky90 @ f/4.5
on Losmandy G11 w/Gemini |
| Guiding |
Self-guided |
| Processing |
MaximDL, FITS
Liberator, Photoshop CS2, AstroActions |
| Comments |
Moonlight and high
clouds all three nights |
|