Deepsky Object in Autumn
Around Sh2-211, 212 (Diffused Nebula+Open Cluster in Perseus)
Click on image to enlarge
| Date & Time: | Oct 12 2024, from 25:09 to 26:05 JST(+0900) |
| Composed 8 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.: -15°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 |
Close-up image of Sh2-212
| Recording format...16bit FITS, converted to 16bit TIFF(6248×4176) |
| Device Size...23.5×15.7mm |
This image captures small nebulae located in the region surrounded by the constellations Perseus, Auriga, and Camelopardalis.
The small red emission nebula visible in the lower left of the first image is Sh2-212, with an apparent diameter of about 5 arcminutes.
It can be found roughly 7.5 degrees northwest of Capella. About 50 arcminutes northwest of Sh2-212, you can find out the small nebula Sh2-211, approximately 2 arcminutes in size, with the faint dark nebula B20 drifting around it.
The second image is an enlarged view of Sh2-212, which overlaps with the open cluster NGC1624.
In visual observation, the open cluster and the surrounding faint glow of the nebula can be seen.
Around 10 stars with 12th magnitude are gathered closely together, creating a charming view.
| Sh2-211 / Diffused Nebula, type 2 E |
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| R.A. | 04h 36m 57.8s (2000.0) |
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| Dec. | +50°56' 22" (2000.0) |
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| Apparent Size | 2.0' |
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| Real Size | 10 light yrs. |
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| Magnitude | 10.4 |
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| Distance | 16800 light yrs. |
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| Other IDs | LBN717 |
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|
| Sh2-212 / Open Cluster+Diffused Nebula, type 1 E |
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| R.A. | 04h 40m 24.0s (2000.0) |
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| Dec. | +50° 27' 00" (2000.0) |
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| Apparent Size | 5.0' |
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| Real Size | 60 light yrs. |
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| Magnitude | 10.4 |
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| Distance | 21500 light yrs. |
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| Other IDs | NGC1624, LBN722 |
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|
| B20 / Dark Nebula, type 2E |
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| R.A. | 04h 37m 06.0s (2000.0) |
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| Dec. | +50°59' 00" (2000.0) |
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| Apparent Size | 60.0' |
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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 | LDN1418 |
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