Radio Astronomy and Spectroscopy

810 topics in this forum

1. So I bought a Star Analyser 100... 1 2

   By PhotoGav, November 5, 2019
   • 30 replies
   • 5k views
   • 
   • robin_astro
   • July 3, 2021

2. Where can I buy a Legit 1420 MHZ Feedhorn for my 2.3m Parabolic Dish?

   By Am33r, May 6, 2021
   • 4 replies
   • 1.1k views
   • 
   • Am33r
   • May 24, 2021

3. W. M. Keck Observatory upgrades Low Resolution Imaging Spectrometer

   By Spile, May 4, 2021
   • 0 replies
   • 470 views
   • 
   • Spile
   • May 4, 2021

4. Help with Spectrum Lab Settings

   By badger111, April 27, 2015
   • 9 replies
   • 4.5k views
   • 
   • astrospade
   • May 3, 2021

5. Building A Horn Antenna Radio Scope - Advice Needed

   By saac, April 8, 2021
   • 24 replies
   • 1.6k views
   • 
   • saac
   • April 13, 2021

6. Three spectra of Quasars at redshifts >4.3

   By robin_astro, April 11, 2021
   • 0 replies
   • 471 views
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   • robin_astro
   • April 11, 2021

7. CD diffraction grating

   By ZiHao, March 20, 2021
   • 2 replies
   • 595 views
   • 
   • vlaiv
   • March 20, 2021

8. Spectrometer

   By JRWASTRO, March 13, 2021
   • 11 replies
   • 1.1k views
   • 
   • JRWASTRO
   • March 16, 2021

9. Recommendations, please for Spectrum Analyser software.

   By SteveBz, March 4, 2021
   • 8 replies
   • 803 views
   • 
   • Gasman
   • March 12, 2021

10. Check on SA100 results from Capella.

    By SteveBz, March 2, 2021
    • 7 replies
    • 1.1k views
    • 
    • Merlin66
    • March 4, 2021

11. How to improve these SA100 results?

    By SteveBz, February 19, 2021
    • 5 replies
    • 927 views
    • 
    • SteveBz
    • February 20, 2021

12. Can a milky way stars radial velocity be measured to within 1.5 m/s?

    By Physics_dude, January 24, 2021
    • 16 replies
    • 990 views
    • 
    • Physics_dude
    • January 27, 2021

13. How to focus a spectrometer? 1 2 3

    By SteveBz, January 3, 2021
    • 50 replies
    • 3.1k views
    • 
    • SteveBz
    • January 24, 2021

14. Measuring redshift change as earth spins

    By Physics_dude, January 18, 2021
    • 4 replies
    • 664 views
    • 
    • Physics_dude
    • January 19, 2021

15. OMG

    By Neil H, December 5, 2020
    • 3 replies
    • 847 views
    • 
    • stubeeef
    • January 19, 2021

16. Graves Meteor Scatter- It was going so well

    By catburglar, January 12, 2021
    • 3 replies
    • 1.2k views
    • 
    • Geminids
    • January 12, 2021

17. Meteorscatter using GRAVES

    By wxsatuser, October 4, 2018
    • 9 replies
    • 2.1k views
    • 
    • wxsatuser
    • January 8, 2021

18. Spectroscopy - faint target v bright moonlight

    By robin_astro, January 2, 2021
    • 6 replies
    • 958 views
    • 
    • robin_astro
    • January 7, 2021

19. A few Quadrantids

    By wxsatuser, January 3, 2021
    • 1 reply
    • 446 views
    • 
    • wxsatuser
    • January 3, 2021

20. Quadrantids LIVE!

    By PhotoGav, January 3, 2021
    • 1 reply
    • 507 views
    • 
    • Tomatobro
    • January 3, 2021

21. Geminids Highlights

    By johnb, December 16, 2020
    • 2 replies
    • 638 views
    • 
    • theropod
    • December 26, 2020

22. Understanding GRAVES Meteor Events

    By PhotoGav, December 4, 2020
    • 20 replies
    • 982 views
    • 
    • johnb
    • December 23, 2020

23. Meteor Detection via GRAVES - Trying to get it to work... 1 2 3

    By PhotoGav, November 2, 2020
    • 70 replies
    • 4.5k views
    • 
    • The Admiral
    • December 21, 2020

24. Some Geminids

    By wxsatuser, December 13, 2020
    • 8 replies
    • 639 views
    • 
    • Wyvern
    • December 20, 2020

25. Alternatives to GRAVES radar?

    By ZiHao, December 17, 2020
    • 3 replies
    • 744 views
    • 
    • wxsatuser
    • December 17, 2020