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Planetary Nebula |
| Object : | PN 221 546 3 |
| Coordinates/Direction : | RA --h--m, Dec +--o --' |
| Object size : | - |
| Object magnitude : | - |
| More to know : |
Wikipedia: - |
PN 221 546 3, 2020-02-24, processed 2024
(Click on image to get one in full resolution in a new window)
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| Date : | 2020-02-24 |
| Time (UT) : | 21:34 to 21:47 |
| Mount : | SkyWatcher EQ6 Pro, beltdrive modified (DIY 2019) |
| Lens/telescope : | TS130 APO f/7 910mm (682mm, f/5.2), 3" focuser |
| Corrector/Barlow : | Riccardi 2.5" field flatter, x0.75. T48 connector to camera |
| Field (FOV) : | 3.0 x 2.0o (full frame) before crop |
| camera : | Canon 6D, QE=0.5, full frame, 20 Mpixel, 14 bit |
| camera temperature: | About 6o C above surrounding temperature |
| Film/CCD : | Raw, Cr2 |
| Filter : | none |
| Control system: | Mount, camera, focus, guide (Ekos) controlled by Astroberry (KStars/Ekos Linux) |
| Exp. time : | 10x60 second, 1600iso |
| Image process tool : | Siril, Gimp,, Irfanview |
| Processing : | synthetic bias, flat, photometric color calibration |
| Weather : | clear, temperature 0o C |
| Site : | Sweden, Stockholm, Hagsätra.
Bortle 9 Free view Az: 20o to 90o, 165o to 185o, Alt: 20o to 55o |
| Comment : | I had these images stored on my HD. I don't remember why I took them. The object is very weak and I only had a few exposure on it. Here it's plate solved with Astrometry.net: PN 221 546 3 plate solved |
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