| Date & Time: | Nov 3 2024, from 21:59 to 23:12 JST(+0900) |
| Composed 10 shots with 8 minutes exposed |
| Optical: | TAKAHASHI 16cm(6.3") epsilon (f=530mm, F3.3) |
| with LPS-D1 Light-pollution suppression filter |
| Auto-guided with TAKAHASHI JP Equatorial & SBIG STV |
| CMOS Camera: | ZWO ASI2600MC Pro (Cooled temp.: -18°C) |
| Location: | Ooizumi, Hokuto city, Yamanashi pref. |
| LBN 668 / Diffused Nebula, type 6 R |
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| R.A. | 02h 21m 00.0s (2000.0) |
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| Dec. | +50°24' 00" (2000.0) |
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| Apparent Size | 150×60' |
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| Real Size | N/A |
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| Magnitude | - |
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| Distance | N/A |
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| Other IDs | - |
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This image captures the area 10 degrees due west of α Persei (Mirfak) in the constellation Perseus.
This region corresponds to the northeastern edge of Andromeda, where very faint molecular cloud drifts.
The cloud spans roughly 2.5 degrees east to west and is identified as LBN 668.
This nebula comprises regions with various appearances.
On the left side of the image, the yellowish 4th magnitude star 65 Andromedae can be seen, surrounded by a reflection nebula illuminated by this star.
Meanwhile, on the right side of the image, there is a faint red Hα emission, indicating an ionized region.
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