Please could I request your help and advice?
There are 3 images and I would like to know if they were
Astrobin firsts when they were posted.
O III arc 7° long in HOO near SNR G206.9 + 2.3
https://app.astrobin.com/u/huntinghorn?collection=45383&i=u6vxdd#gallery
Silk Nebula in OIII 15° long
https://app.astrobin.com/u/huntinghorn?collection=45383&i=zwfplw#gallery
Ha arc 3.7° wide
https://app.astrobin.com/u/huntinghorn?collection=45383&i=1euqng#gallery
Please would you tell me if they are Astrobin firsts and how to check?
