Peter Zetner
|
all galleries
>>
Astrophotography
>>
Solar Photos (pre-2014)
>>
Spectroheliograph
> montage_spectrohelio0018_Y083_enhance.jpg
previous
|
next
05-OCT-2013
montage_spectrohelio0018_Y083_enhance.jpg
0.00s
full exif
other sizes:
small
medium
large
original
auto
previous
|
next
All images copyright Peter Zetner
share
Type your message and click Add Comment
It is best to
login
or
register
first but you may post as a guest.
Enter an optional name and contact email address.
Name
Name
Email
help
private comment
amplelight
06-Oct-2013 01:19
check out optigrate.com , and click on the braggrate bandpass filter.
you can request a custom coating at 393nm. These are the future of spectro-helioscopes imho. Just need to get the cost of them down to amateur prices.
Type your message and click Add Comment
It is best to
login
or
register
first but you may post as a guest.
Enter an optional name and contact email address.
Name
Name
Email
help
private comment