Name in the directory:NGC_7640
Category:Galaxy
Right Ascension:23h 31m 28.08s
Declination:+62° 42′ 57.24″
Total Exposure:10 часов 50 минут
Number of Frames:130
Link to FITS files:Download
- L165 minutes (33 frames)
- G160 minutes (32 frames)
- R200 minutes (40 frames)
- B125 minutes (25 frames)
The barred spiral galaxy NGC 7640 is a spiral galaxy located in the constellation Andromeda. It was discovered by William Herschel in 1784.
Structure and Features
- The galaxy NGC 7640 has a bright center surrounded by spiral arms, which are clearly visible in photographs.
- The bar in this galaxy is a rare phenomenon among spiral galaxies. It is a connecting bridge between the central bar and the outer spiral arms.
Star Formation
- The galaxy contains many star clusters and H II regions - regions of active star formation. This indicates that NGC 7640 continues to actively produce new stars.
Astronomical Research
- NGC 7640 is part of the Mark 533 group of galaxies, which includes several nearby galaxies.
- The distance to the galaxy is estimated at about 27 million light years.
The galaxy NGC 7640 is the subject of active research by astronomers seeking to better understand the properties and evolution of barred spiral galaxies.
| Photo | Date | Frames | Exposure | L | R | G | B |
|---|---|---|---|---|---|---|---|
 | 06 Sep 2021 | 130 | 10:50 | 02:45 | 03:20 | 02:40 | 02:05 |
Visibility chart of Barred Spiral Galaxy (NGC 7640) during the day
The height diagram of Barred Spiral Galaxy (NGC 7640) above the horizon during the current day for the observatory observation point in Orenburg (51.7, 55.2). The chart shows when the object is above the horizon and at what maximum height in degrees it rises. The data is relevant for the observation date: Saturday, 26 April 2025.
| Date | Moon Phase | Exposure | CCD Temperature | Gain | Offset | Filter |
|---|---|---|---|---|---|---|
- 2023ixf•
- 40 Eri•
- Abell 74•
- Artemis A868 SA•
- a Canis Minoris•
- C 2020 R4 ATLAS•
- C 2020 T2 Palomar•
- C 2021 S3 (PANSTARRS)•
- Haumea (2003 EL61)•
- HCG 68•
- HCG 92•
- IC 1318B•
- IC 1396•
- IC 1795•
- IC 1805•
- IC 1848•
- IC 1871•
- IC 3322A•
- IC 342•
- IC 4015•
- IC 405•
- IC 417•
- IC 434•
- IC 443•
- IC 4703•
- IC 5070•
- IC 5146•
- IC 63•
- M 1•
- M 101•
- M 103•
- M 109•
- M 13•
- M 15•
- M 27•
- M 3•
- M 33•
- M 42•
- M 45•
- M 5•
- M 51•
- M 57•
- M 63•
- M 64•
- M 74•
- M 76•
- M 81•
- M 82•
- M 86•
- M 87•
- M 94•
- M 97•
- NGC 147•
- NGC 1491•
- NGC 1499•
- NGC 1579•
- NGC 1961•
- NGC 2146•
- NGC 2239•
- NGC 2403•
- NGC 281•
- NGC 4236•
- NGC 4565•
- NGC 4631•
- NGC 507•
- NGC 508•
- NGC 5866•
- NGC 5907•
- NGC 6503•
- NGC 6823•
- NGC 6888•
- NGC 6946•
- NGC 6992•
- NGC 6995•
- NGC 7000•
- NGC 7023•
- NGC 7129•
- NGC 7217•
- NGC 7331•
- NGC 7380•
- NGC 7538•
- NGC 7635•
- NGC 7640•
- NGC 7822•
- NGC 891•
- NGC 896•
- NGC 925•
- PGC 54559•
- Sh2-155•
- Sh2-168•
- Sh2 103•
- Sh2 109•
- Sh2 132•
- T CrB•
- UGC 6930•
- V1405 Cas•
- Vesta A807 FA•