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M81
| Exposure Details |
| Lens |
Sky-Watcher Esprit 150 |
| Focal Length |
1050mm |
| Focal Ratio |
F7 |
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| Mount |
Paramount MX+ |
| Guiding |
Lodestar X2 Off-Axis Guiding |
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| Camera |
Starlight Xpress Trius SX694 |
| Exposure |
19 Hrs Total Exposure - 300 second subs L, R, G and B - Ha 900 second subs |
| Calibration |
30 darks, no flats, 200 bias |
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| Date |
March 1st - April 22nd of the year 2017 |
| Temperature |
TEC set to -15c |
| SQM Reading |
Bortle 1 |
| Seeing |
Great |
| Location |
DSOC Remote Observatory - Fort Davis, TX |
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| Software Used |
The SkyX, Sequence Generator Pro, PixInsight, PHD Guiding, Photoshop, |
| Notes |
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© 2022 Astrophotography by Jerry Gardner |
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