Transformations

Affiliation
American Association of Variable Star Observers (AAVSO)
Wed, 07/27/2022 - 19:58

If using only one filter, does one need a transformation?  Is that even possible?

Affiliation
American Association of Variable Star Observers (AAVSO)
nevermind

nevermind my friends....i found a discussion regarding this topic in the forums

https://www.aavso.org/single-filter-transformations

Affiliation
American Association of Variable Star Observers (AAVSO)
leak

Alfredo

The red leak is approximately 1050 to 1400 nm. My spectrophotometer measurements show nothing in the IR up to 1020 nm.

CCD cameras can't see those wavelengths. My ST8 is blind, beginning at about 1000nm.

I believe it is safe to use the Baader Blue. I use one.

RayTRE