|
|
|
Scroll
down for older images (last update:
01/01/2021)
B33 Horsehead Nebula

|
0bject |
B33 Horsehead, NGC 2023 and IC 435
Nebulae in Orion |
| Date |
December 24 & 25, 2011 |
| Exposure |
LRGB 95:105:105:95 (cropped) |
| Camera |
STL11000M with Astronomik filters |
| Telescope |
ASA 10N f/3.7 on AP900GTO CPO3 |
| Guiding |
External guide head with 50mm MiniBorg |
| Processing |
MaximDL, PhotoshopCS5, AstroActions |
| Comments |
Cool; data acquired using CCD Commander |

Click HERE for Hα
data
|
0bject |
B33 Horsehead Nebula and NGC 2024 Flame
Nebula in Orion |
| Date |
November 24, 26, 27, and 29, 2007 |
| Exposure |
HαRGB 300:15:15:15 (Hα +
Red 80/20; Hα used for luminance) |
| Camera |
STL11000M with Astronomik filters |
| Telescope |
Takahashi Sky90 f/4.5 on Losmandy G11
w/Gemini |
| Guiding |
Remote guide head & E-finder |
| Processing |
MaximDL, PhotoshopCS2, FITS Liberator,
AstroActions |
| Comments |
Moderate seeing; some moonlight |

|
0bject |
B33 Horsehead Nebula and NGC 2024 Flame
Nebula in Orion |
| Date |
December 9 and 23, 2006 |
| Exposure |
Hα 12 x 15 minutes; RGB 6 x 5
minutes 180:30:30:30 |
| Camera |
ST2000XM with Schuler Hα filter, SBIG
RGB |
| Telescope |
Takahashi Sky90 f/4.5 on Losmandy G11
w/Gemini |
| Guiding |
Self-guided |
| Processing |
MaximDL, PhotoshopCS2 |
| Comments |
Cool with moderate seeing |
B33 in Hα

|
0bject |
B33 Horsehead Nebula and NGC 2024 Flame
Nebula in Orion |
| Date |
December 9, 2006 |
| Exposure |
Hα 12 x 15 minutes |
| Camera |
ST2000XM with Schuler Hα filter |
| Telescope |
Takahashi Sky90 f/4.5 on Losmandy G11
w/Gemini |
| Guiding |
Self-guided |
| Processing |
MaximDL, PhotoshopCS2 |
| Comments |
Cool and windy, waning moon in the sky |
|