Image of M31 taken with a 12.5-inch Ritchey-Chrétien telescope.
Credits
© 2002 R. Gendler, Photo by R. Gendler| About The Object | |
|---|---|
| Object Name | M31, Andromeda Galaxy, NGC 224 |
| Object Description | Spiral Galaxy |
| R.A. Position | 00h 42m 44.3s |
| Dec. Position | 41° 16' 9.4" |
| Constellation | Andromeda |
| Distance | About 2.5 million light-years (0.8 Megaparsecs) |
| About The Data | |
| Instrument | 12.5-inch Richey-Chrétien telescope |
| Exposure Dates | 2002 |
| About The Object | |
|---|---|
| Object Name | A name or catalog number that astronomers use to identify an astronomical object. |
| Object Description | The type of astronomical object. |
| R.A. Position | Right ascension – analogous to longitude – is one component of an object's position. |
| Dec. Position | Declination – analogous to latitude – is one component of an object's position. |
| Constellation | One of 88 recognized regions of the celestial sphere in which the object appears. |
| Distance | The physical distance from Earth to the astronomical object. Distances within our solar system are usually measured in Astronomical Units (AU). Distances between stars are usually measured in light-years. Interstellar distances can also be measured in parsecs. |
| Dimensions | The physical size of the object or the apparent angle it subtends on the sky. |
| About The Data | |
| Data Description |
|
| Instrument | The science instrument used to produce the data. |
| Exposure Dates | The date(s) that the telescope made its observations and the total exposure time. |
| Filters | The camera filters that were used in the science observations. |
| About The Image | |
| Image Credit | The primary individuals and institutions responsible for the content. |
| Publication Date | The date and time the release content became public. |
| Color Info | A brief description of the methods used to convert telescope data into the color image being presented. |
| Orientation | The rotation of the image on the sky with respect to the north pole of the celestial sphere. |
