Mark Hellweg Photography:
Coronado SolarMax60 DoubleStack
Mark Hellweg Photography:
Coronado SolarMax60 DoubleStack
Mark Hellweg Photography:
Setup 2012 and me
Mark Hellweg Photography:
Setup 2012
Mark Hellweg Photography:
10" Newton Spiegelteleskop
Mark Hellweg Photography:
Celestron 8 SCT
Mark Hellweg Photography:
Takahashi FS102 und Vixen ED81