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| Date & Time: | Dec 27 2025, from 25:07 to 26:43 JST(+0900) |
| Composed 17 shots with 6 minutes exposed | |
| Optical: | AF zoom-Nikkor 80-200mmF2.8ED (f=135mm, stop: F4.0) |
| with IDAS LPS-D1 light-pollution suppression filter | |
| Auto-guided with TAKAHASHI JP Equatorial | |
| CMOS Camera: | ZWO ASI2600MC Pro (Cooled temp.: -25°C) |
| Location: | Ooizumi, Hokuto city, Yamanashi pref. |
| Camera Settings: | Recording format...16bit FITS, converted to 16bit TIFF(6248×4176) |
| Device Size...23.5×15.7mm, Gain...100 |
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This is a wide-field image covering an area of 10×6.7° to the southwest of the open clusters M46 and M47 in Puppis.
In this region, a number of small Hα nebulae cataloged as Sh2-300 through Sh2-309 in the Sharpless Catalog are scattered.
From the link below, you can view pages with close-up images of the individual objects. |
 Objects around M46 & M47 |
 Sh2-299, Sh2-300 |
 Sh2-301 |
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Copyright(c) 2026 by Naoyuki Kurita, All rights reserved. |
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