• Hercules Cluster

    Captured by Sohanur Rahman | Jahirul Islam | Md. Shahadat Hossain Shahal | Syed Ahmed Probhat | Md. Hasan Mahmud Sajib

Astrophotography information

Astrophotography Sohanur Rahman | Jahirul Islam | Md. Shahadat Hossain Shahal | Syed Ahmed Probhat | Md. Hasan Mahmud Sajib
Observing location Pabna (24 North 89 East) | Noakhali (23.02 North 90.93 East) |  Saint Martin (21 North 92 East) | Chapai Nawabganj (24 North 90 East) | Chattogram
Observation date 15 September 2023 | 29 April 2023 | 8 March 2024 | 15 April 2024 | 23 March 2023
Exposure time 5 minutes | 13 minutes | 2 minutes | 45 minutes | 9 minutes
Telescope Unistellar eQuinox 1 (Ashwin 2 | Ashwin 1 | Ashwin 1)
Camera Sony IMX224, 1.27 Mpx
Field of view (resolution) 0.61° x 0.46°  (1.72 arcsec/pixel)
Image processing Md. Shahadat Hossain Shahal

Astrophysical information

Object type Globular cluster
Constellation Hercules
Distance ~ 22 kly
Angular size ~ 33 arcminutes
Physical size ~ 84 ly
Apparent magnitude 6