monocrome-astrophotography-saankethikavidyakal

monocrome-astrophotography-saankethikavidyakal nirmmicha photography aadyakaala shailikalil onnaanu monocrome photography. aastro photographermarkidayil monocrome photography oru janapriya saankethikavidyayaanu. cmos allengil ccd censorinu munnil irikkunna kalar filter sreniyaaya bair filter ozhivaakkiyathaan ithinu kaaranam, ithu orotta censorine oru kalar imej nirmmikkaan anuvadikkunnu.
sensor design.
censorinu munnil irikkunna kalar filter sreniyaaya bair matricks upayogichu kalar camerakal kalar emejukal nirmmikkunnu. praadhamika nirangalaaya chuvapp, pacha, neela ennivayude prakasham sensarilekku praveshikkaan matricks anuvadikkunnu. oru saadhaarana matricks krameekaranatthil 25 sathamaanam chuvapp paas throo eriyayum 25 sathamaanam neelayum 50 sathamaanam pachayum adangiyirikkunnu. bair matricks oru chipp censorine oru kalar imej nirmmikkaan anuvadikkunnu. 
aazhathilulla bahiraakaashathulla pala vasthukkalum hydrajan, ooksijan, sulfur ennivayaal nirmmithamaan. eee moolakangal yathaakramam chuvapp, neela, chuvapp/ooranchu nirangalil prakasham purappeduvikkunnu.
hydrajan sambushtamaaya oru vasthuvine chithreekarikkumbol, aaa vasthu praadhamikamaayi hydrajan-alfa/chuvanna tharamgadairkhyangalil prakasham purappeduvikkum. eee saahacharyathil, bair matricks neeharayil ninnu varunna prakaashatthil ninnu 25 sathamaanam maathram sensarilekku ethaan anuvadikkum, kaaranam matricks eriyayude 25 sathamaanam maathrame chuvanna velicham kadannupokaan anuvadikkoo.
oru monochromatic censorinu bair matricks illa. ithinartham, idungiya baand filterukal ennariyappedunna prathyeka kalar filterukal upayogichu nirddishta tharamgadairkhyangal pidichedukkaan muzhuvan sensor upayogikkaam ennaanu. hydrajan, ooksijan, sulfur ennivayaal nirmmithamaan pala neehaarikakalum. eee neeharikakal yathaakramam chuvapp, neela, ooranchu tharamgadairkhyangalil prakasham purappeduvikkunnu. moonnu vyathirikthamaya monocrome chithrangal nirmmikkaan oro niratthinum oru idungiya baand filter upayogikkaam. eee chithrangal samyojippichu oru varnna chithram nirmmikkam.
nettangal.
aadhunika prakaashamalineekaranathinte phalangale cherukkunnathinulla oru margamenna nilayil monocrome astrophotography athinte janapreeti nediyittundu. parambaraagatha censorile bair matricks aazhathilulla bahirakasha vasthukkalil ninnu prakasham shekharikkaan kazhivulla labhyamaya sensor eriyaye ekadesham 25 shathamaanamaayi parimithappedutthum. ennirunnaalum, bakkiyulla 75 sathamaanam ippozhum prakasham shekharikkaan praapthamaanu, palappozhum chuttumulla prakasha malineekaranatthinte roopathil. ithu signal-tuu-noys anupaathathe prathikoolamaayi badhikkum.
bair matricks neekkam cheyyuka ennathinartham prakaashatthinte nirddishta tharamgadairkhyangal censoril ethaan maathram anuvadikkunnathinu oru idungiya baand filter upayogikkaam ennaanu. shekharicha prakaashatthinte alavu paramavadhi vardhippikkunnathinu muzhuvan sensor eriyayum upayogikkunnathinte nettamaanithu, athesamayam baahya prakasha malineekaranatthinte uravidangal nirasikkukayum signal-tuu-noys anupatham valareyadhikam mechappeduthukayum cheiyunnu.
monocrome imej prosessing.
chuvapp, pacha, neela pixalukalil ninnulla daatta samyojippichaan saadhaarana camerakalile varnna chithrangal nirmmikkunnath. oru monocrome sensor upayogichu oru kalar imej nirmmikkunnathin, oru kalar imej nirmmikkunnathin moonnu monocrome emejukal nirmmikkukayum samyojippikkukayum venam. moonnu monocrome chithrangal athath chuvapp, pacha, neela chaanalukalilekku mapp cheythirikkunnu. astrophotography kaaryatthil, ithu oru paridhivare vyathyaasappedaam, ennirunnaalum oru saadhaarana varnna paalat hubble paalattaan, ithu palappozhum "shhow" ennariyappedunnu. hubble paletil, sulfur chuvanna chaanalilekk mapp cheiyunnu, hydrajan-alfa signalukal pachayilekku mapp cheiyunnu, ooksijan neelayilekku mapp cheiyunnu.
monocrome astrophotographic kooduthal calibration frameukal aavasyamaanu. imej censorilum filttarilum podiyum pakarthaavunna karakaushala vasthukkalum opttikkal trainile aantharika prathiphalanangal kaaranam prakasha gradiantukalum calibration frameukal upayogikkunnu. iva avasana chithratthil ninnu neekkam cheyyaan kazhiyum. oru varnna chithram nirmmikkaan monocrome imajinginu moonnu vyakthigatha filterukal aavasyamaanu. ithinartham imej prosessing ghattathil moonnu settu calibration frameukal srishtikkukayum prayogikkukayum venam. athinaal ithu sambharikkenda chithrangalude alavu vardhippikkukayum kooduthal sambharana idam aavasyappedukayum cheiyunnu.
monocrome photographic adhika upakaranangal aavasyamaanu. onniladhikam filterukalude aavasyakatha kaaranam, amachwar astrophotographermar palappozhum oru electronic filter wheel upayogikkunnu. ithu onniladhikam filterukal instaal cheyyaan anuvadikkunnu, koodaathe chakram niyantrikkaanum ratri muzhuvan filterukal mattaanum oru computer upayogikkaam. 

