Observing and Imaging Double and Variable Stars

811 topics in this forum

1. Tutorial: Observing Variable Stars 1 2

   By Dave Smith, February 2, 2019
   • 45 replies
   • 3.2k views
   • 
   • Dave Smith
   • December 15, 2020

2. Useful Double Star links & Websites

   By lunator, October 28, 2010
   • 22 replies
   • 8.6k views
   • 
   • Darkmatter
   • November 15, 2020

3. Stacking by addition

   By woodblock, February 23
   • 8 replies
   • 146 views
   • 
   • vlaiv
   • February 24

4. DSLR raw image series requested for testing

   By han59, February 20
   • 0 replies
   • 75 views
   • 
   • han59
   • February 20

5. Debayering for photometry

   By woodblock, February 14
   • 8 replies
   • 129 views
   • 
   • han59
   • February 20

6. Maxim Dl - photometry graph

   By woodblock, February 11
   • 1 reply
   • 75 views
   • 
   • woodblock
   • February 12

7. 119 Tauri and R Leporis

   By orion25, February 9
   • 0 replies
   • 123 views
   • 
   • orion25
   • February 9

8. Do I need a V filter?

   By daz, January 28
   • 14 replies
   • 264 views
   • 
   • Whirlwind
   • February 8

9. Double Star Project

   By mikemarotta, January 12
   • 5 replies
   • 285 views
   • 
   • Spile
   • February 7

10. Maximum magnitude for variable star for a given scope and camera

    By woodblock, January 26
    • 3 replies
    • 118 views
    • 
    • woodblock
    • January 27

11. 80 Tau

    By CraigT82, January 24
    • 3 replies
    • 161 views
    • 
    • lunator
    • January 26

12. Mintaka and Castor from North Cornwall 21-1-21

    By LeeHore7, January 22
    • 0 replies
    • 115 views
    • 
    • LeeHore7
    • January 22

13. Polaris B Or Not To Be?

    By cloudsweeper, January 6
    • 9 replies
    • 264 views
    • 
    • cloudsweeper
    • January 12

14. Check and comparison stars

    By woodblock, December 21, 2020
    • 2 replies
    • 245 views
    • 
    • andrew s
    • December 22, 2020

15. Photometry with DSLR

    By woodblock, December 18, 2020
    • 7 replies
    • 252 views
    • 
    • andrew s
    • December 22, 2020

16. Trapezium in Orion

    By chiltonstar, December 20, 2020
    • 6 replies
    • 283 views
    • 
    • markse68
    • December 22, 2020

17. Nova in Perseus

    By JeremyS, November 26, 2020
    • 15 replies
    • 477 views
    • 
    • Wyvern
    • December 20, 2020

18. Astro Image J (AIJ) strangeness

    By woodblock, December 18, 2020
    • 2 replies
    • 146 views
    • 
    • vlaiv
    • December 18, 2020

19. CCD Camera and Filters

    By woodblock, December 17, 2020
    • 2 replies
    • 128 views
    • 
    • woodblock
    • December 17, 2020

20. Separating colours

    By woodblock, December 16, 2020
    • 3 replies
    • 161 views
    • 
    • happy-kat
    • December 16, 2020

21. Pixel saturation

    By woodblock, December 16, 2020
    • 9 replies
    • 267 views
    • 
    • Scooot
    • December 16, 2020

22. Average or Stack

    By woodblock, December 15, 2020
    • 10 replies
    • 201 views
    • 
    • vlaiv
    • December 15, 2020

23. My question is how?

    By Marvin Jenkins, December 12, 2020
    • 5 replies
    • 212 views
    • 
    • Whirlwind
    • December 14, 2020

24. Which magnitude?

    By woodblock, November 28, 2020
    • 14 replies
    • 311 views
    • 
    • woodblock
    • December 1, 2020

25. Some doubles in Andromeda

    By Graham Darke, November 26, 2020
    • 0 replies
    • 146 views
    • 
    • Graham Darke
    • November 26, 2020